var app =_lib.LTools.Desktop.DesktopApp.Init(wf,null,"Test_*",20000,true,_lib.LTools.Desktop.Model.DesktopTypes.UIAUTOMATION);app.WaitElementVanish("{\"Name\":\"Vanish Label\",\"AutomationID\":\"\",\"ClassName\":\"TextBlock\",\"AUIProperties\":[],\"TextSearchMode\":0,\"IsRoot\":false,\"IsQuickSearch\":false}",2000);